"They have betrayed her. They pointed her to lawyers who lied to her and did not tell her that the committee staff was willing to go to California to interview her. Now all of that is water under the bridge," Cotton said.

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"Those lawyers are going to face a D.C. bar investigation into their misconduct," he continued. "Dianne Feinstein and her staff is going to face an investigation for why they leaked that."

Cotton did not elaborate on who would conduct such an investigation, but Feinstein, the ranking Democrat on the Senate Judiciary Committee, has adamantly denied that her office leaked Ford's letter.

Feinstein's office did not immediately respond to a request for comment.

Feinstein first received a letter from Ford detailing the allegations in July, but Ford had asked that it remain private.

Ford went public with her allegation earlier this month that Kavanaugh pinned her to a bed and groped her during a high school party in the 1980s after reports began to surface that Feinstein turned over a letter to the FBI that included a sexual assault allegation against Kavanaugh.